Files
dvc/tests/unit/remote/test_local.py
T
Peter Rowlands (변기호) 2c0116ccf9 remote: separate tree functions from main remote classes (#3931)
* BaseRemote: start moving tree functions into BaseRemoteTree

* remote: add LocalRemoteTree

* remote: add cloud remote trees

* remote: move remove(), makedirs() into tree

* remote: move move(), copy(), symlink(), hardlink(), reflink() into tree

* fix attributes for moved remote methods

* tests: update unit tests for moved remote tree methods

* tests: mv unit/remote/test_remote_dir.py unit/remote/test_remote_tree.py

* fix attributes for moved remote tree functions

* tests: update func tests for moved remote tree methods

* test fixes

* fix DS warnings
2020-06-03 06:04:25 +03:00

90 lines
2.5 KiB
Python

import errno
import os
import pytest
from dvc.cache import NamedCache
from dvc.path_info import PathInfo
from dvc.remote.local import LocalRemote
def test_status_download_optimization(mocker, dvc):
"""When comparing the status to pull a remote cache,
And the desired files to fetch are already on the local cache,
Don't check the existence of the desired files on the remote cache
"""
remote = LocalRemote(dvc, {})
infos = NamedCache()
infos.add("local", "acbd18db4cc2f85cedef654fccc4a4d8", "foo")
infos.add("local", "37b51d194a7513e45b56f6524f2d51f2", "bar")
local_exists = list(infos["local"])
mocker.patch.object(remote, "cache_exists", return_value=local_exists)
other_remote = mocker.Mock()
other_remote.url = "other_remote"
other_remote.cache_exists.return_value = []
remote.status(infos, other_remote, download=True)
assert other_remote.cache_exists.call_count == 0
@pytest.mark.parametrize("link_name", ["hardlink", "symlink"])
def test_is_protected(tmp_dir, dvc, link_name):
remote = LocalRemote(dvc, {})
link_method = getattr(remote.tree, link_name)
(tmp_dir / "foo").write_text("foo")
foo = PathInfo(tmp_dir / "foo")
link = PathInfo(tmp_dir / "link")
link_method(foo, link)
assert not remote.is_protected(foo)
assert not remote.is_protected(link)
remote.protect(foo)
assert remote.is_protected(foo)
assert remote.is_protected(link)
remote.unprotect(link)
assert not remote.is_protected(link)
if os.name == "nt" and link_name == "hardlink":
# NOTE: NTFS doesn't allow deleting read-only files, which forces us to
# set write perms on the link, which propagates to the source.
assert not remote.is_protected(foo)
else:
assert remote.is_protected(foo)
@pytest.mark.parametrize("err", [errno.EPERM, errno.EACCES])
def test_protect_ignore_errors(tmp_dir, mocker, err):
tmp_dir.gen("foo", "foo")
foo = PathInfo("foo")
remote = LocalRemote(None, {})
remote.protect(foo)
mock_chmod = mocker.patch(
"os.chmod", side_effect=OSError(err, "something")
)
remote.protect(foo)
assert mock_chmod.called
def test_protect_ignore_erofs(tmp_dir, mocker):
tmp_dir.gen("foo", "foo")
foo = PathInfo("foo")
remote = LocalRemote(None, {})
mock_chmod = mocker.patch(
"os.chmod", side_effect=OSError(errno.EROFS, "read-only fs")
)
remote.protect(foo)
assert mock_chmod.called